(6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester

Base Information

• Chemical Name: (6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester
• CAS No.: 68402-51-7
• Molecular Formula: C₂₃H₂₁ClN₂O₆
• Molecular Weight: 456.883
• Mol file: 68402-51-7.mol

Synonyms:(6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester

Chemical Property of (6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester

There total 1 articles about (6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

(6R,7R)-7-Benzoylamino-3-chloromethyl-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester (68314-04-5,1353648-24-4) → (6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester (68402-51-7)

Guidance literature:

With tert-butylhypochlorite; lithium methanolate; In methanol; dichloromethane; at -30 ℃;

DOI:10.1016/S0040-4039(01)85470-8

Reference yield: 90.0%

sodium 1-methyl-1H-tetrazole-5-thiolate (51138-06-8) + (6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester (68402-51-7) → diphenylmethyl 7β-benzamido-7α-methoxy-3-<<(1-methyl-1H-yetrazol-5-yl)thio>methyl>-1-oxadethia-3-cephem-4-carboxylate (68402-81-3)

Guidance literature:

tetrabutylammomium bromide; In dichloromethane; at 25 ℃;

DOI:10.1016/S0040-4039(01)85470-8

Reference yield:

(6R,7R)-7-Benzoylamino-3-chloromethyl-7-methoxy-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester (68402-51-7) → (6R,7R)-benzhydryl-7-amino-7-methoxy-3-((1-methyl-1H-tetrazol-5-ylthio)methyl)-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylate (66510-99-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / n-Bu₄NBr / CH₂Cl₂ / 25 °C

2: PCl₅

With phosphorus pentachloride; tetrabutylammomium bromide; In dichloromethane;

DOI:10.1016/S0040-4039(01)85470-8

upstream raw materials:

(6R,7R)-7-Benzoylamino-3-chloromethyl-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

Downstream raw materials:

diphenylmethyl 7β-benzamido-7α-methoxy-3-<<(1-methyl-1H-yetrazol-5-yl)thio>methyl>-1-oxadethia-3-cephem-4-carboxylate

(6R,7R)-benzhydryl-7-amino-7-methoxy-3-((1-methyl-1H-tetrazol-5-ylthio)methyl)-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylate